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KMID : 0892720090130010012
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Journal of the Korean Society of Maternal and Child Health
2009 Volume.13 No. 1 p.12 ~ p.23
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The Relationship between Waist Circumference, Waist-to-Height Ratio and Metabolic Risks in Community-Dwelling Women with Normal Body Mass Index
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Lee Young-Hoon
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Abstract
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Objectives: This study was performed to examine the association between abdominal obesity and metabolic risks in women within the normal body mass index (BMI) range.
Methods: The data used for this study were obtained from 507 women with BMI 18.5~24.9 ㎏/㎡, aged 20 to 74 years, who participated in ’Prevalence study of thyroid diseases’ in two counties of Jeollanamdo province during July and August of 2004. Height, weight, and waist circumference (WC) were measured by anthropometry, and BMI, waist-to-height ratio (WHtR) were calculated. The definition of abdominal obesity was defined using WC (≥85 ㎝, and ≥80 ㎝) and WHtR (≥0.5 ㎝/㎝). Metabolic risks included high blood pressure, high fasting glucose, low HDL cholesterol, high triglycerides, and multiple metabolic risks (MMRs; 2 or more of the above 4 conditions).
Results: The prevalence of abdominal obesity was 11.8% (WC≥85 ㎝), 36.3% (WC≥80 ㎝), and 49.5% (WHtR≥0.5), respectively. Odds ratios adjusted by age, BMI, smoking, alcohol drinking, and physical activity (aOR) were significantly higher in women of WC≥85 cm for high blood pressure (1.94), low HDL cholesterol (2.05), and MMRs (2.24). aOR were significantly higher in women of WHtR≥0.5 for low HDL cholesterol(2.00), high triglycerides (2.98), and MMRs (2.22). However, aOR were significantly higher in women of WC≥80 ㎝ for only high triglycerides (2.09).
Conclusion: WC and WHtR seems to have a strong association with metabolic risks. Especially, high WC (≥85 ㎝) and high WHtR (≥0.5) are the most significant predictor of obesity-related metabolic disease. This observation confirms that obtaining anthropometric abdominal obesity indices in addition to the BMI provides important information on a women’s health risk.
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KEYWORD
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metabolic risks, body mass index, waist circumference, waist-to-height ratio
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